Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 336 [Rate centres in NPA 336] [Dial plan for NPA 336]

NXX: 704

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
336-704 A Kernersville NC GNBONCEU24Z  638E ONVOY, LLC - NC 424      
336-704 0 Kernersville NC GNBONCEU27Z  998E BANDWIDTH.COM CLEC, LLC - NC 424   2023-10-03   
336-704 2 Kernersville NC GNBONCEU24Z  638E ONVOY, LLC - NC 424   2023-10-02   
336-704 8 Kernersville NC   638E ONVOY, LLC - NC 424   2024-03-08   
336-704 9 Kernersville NC   638E ONVOY, LLC - NC 424   2024-03-08   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.